US10768506B2ActiveUtilityA1

Liquid crystal display panel and display apparatus using the same

Assignee: HKC CORP LTDPriority: Jul 7, 2017Filed: Aug 15, 2017Granted: Sep 8, 2020
Est. expiryJul 7, 2037(~11 yrs left)· nominal 20-yr term from priority
Inventors:Yu-Jen Chen
H10F 39/8057H10F 39/806H10F 39/184G02F 1/29G02F 1/294G02F 1/13312G02F 1/139G02F 1/13318G02F 2001/294H01L 27/14625H01L 27/14623H01L 27/14649
81
PatentIndex Score
1
Cited by
27
References
20
Claims

Abstract

The present invention provides a display panel and its application, the display panel comprises a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, an image sensing module disposed on the second substrate facing to a side of the first substrate, a driving module disposed on the second substrate facing to the side of the first substrate for driving a plurality of liquid crystal molecules distributed in the liquid crystal layer. Wherein, the liquid crystal molecules disposing between the image sensing module and the first substrate is configured to form a liquid crystal lens in response to a vertical electric field between the first and second substrates. The image sensing module is configured for receiving the image light focused by the liquid crystal lens.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. A display panel, comprising:
 a first substrate; 
 a second substrate; 
 a liquid crystal layer, disposed between the first substrate and the second substrate; 
 an image sensing module, disposed on the second substrate facing a side of the first substrate; and 
 a driving module, disposed on the second substrate facing the side of the first substrate for driving a plurality of liquid crystal molecules distributed in the liquid crystal layer; 
 wherein, the plurality of liquid crystal molecules are disposed between the image sensing module and the first substrate, a vertical electric field is formed between the first substrate and the second substrate and drives the plurality of liquid crystal molecules to form a liquid crystal lens, the image sensing module is configured to receive the image light focused by the liquid crystal lens, and the liquid crystal lens is configured to adjust the focus of the image sensing module. 
 
     
     
       2. The display panel according to  claim 1 , wherein the image sensing module is arranged in parallel with the driving module. 
     
     
       3. The display panel according to  claim 1 , wherein the image sensing module comprises an optical sensor. 
     
     
       4. The display panel according to  claim 3 , wherein the optical sensor is photodiode. 
     
     
       5. The display panel according to  claim 3 , wherein the optical sensor is phototransistors. 
     
     
       6. The display panel according to  claim 3 , wherein the optical sensor comprises a material selected from a narrow bandgap organic and inorganic materials, and the energy band gap of the material is less than 1.12 eV. 
     
     
       7. The display panel according to  claim 1 , further comprising a light shielding region disposed between the first substrate and the liquid crystal lens. 
     
     
       8. The display panel according to  claim 7 , wherein the light shielding region is configured to transmit an infrared light. 
     
     
       9. The display panel according to  claim 1 , further comprising a driving electrode disposed on the first substrate facing to the second substrate and corresponding to the location of the liquid crystal lens, and configured to tilt the liquid crystal molecules. 
     
     
       10. The display panel according to  claim 9 , wherein the driving electrode is configured to change the vertical electric field formed between the first substrate and the second substrate. 
     
     
       11. A display apparatus comprising a backlight module, a controller and a display panel, the display panel comprising:
 a first substrate; 
 a second substrate; 
 a liquid crystal layer, disposed between the first substrate and the second substrate; 
 an image sensing module, disposed on the second substrate facing a side of the first substrate; and 
 a driving module, disposed on the second substrate facing the side of the first substrate for driving a plurality of liquid crystal molecules distributed in the liquid crystal layer; 
 wherein, the plurality of liquid crystal molecules are disposed between the image sensing module and the first substrate, a vertical electric field is formed between the first substrate and the second substrate and drives the plurality of liquid crystal molecules to form a liquid crystal lens, the image sensing module is configured to receive the image light focused by the liquid crystal lens, and the liquid crystal lens configured for adjusting the focus of the image sensing module. 
 
     
     
       12. The display apparatus according to  claim 11 , wherein the image sensing module is arranged in parallel with the driving module. 
     
     
       13. The display apparatus according to  claim 11 , wherein the image sensing module comprises an optical sensor. 
     
     
       14. The display apparatus according to  claim 13 , wherein the optical sensor is photodiode. 
     
     
       15. The display apparatus according to  claim 13 , wherein the optical sensor is phototransistors. 
     
     
       16. The display apparatus according to  claim 13 , wherein the optical sensor comprises a material selected from a narrow bandgap organic and inorganic materials, and the energy band gap of the material is less than 1.12 eV. 
     
     
       17. The display apparatus according to  claim 11 , further comprising a light shielding region disposed between the first substrate and the liquid crystal lens. 
     
     
       18. The display apparatus according to  claim 17 , wherein the light shielding region is configured to transmit an infrared light. 
     
     
       19. The display apparatus according to  claim 11 , further comprising a driving electrode disposed on the first substrate facing to the second substrate and corresponding to the location of the liquid crystal lens and configured to tilt the liquid crystal molecules, the driving electrode configured to change the vertical electric field between the first substrate and the second substrate. 
     
     
       20. A display panel, comprising:
 a first substrate; 
 a second substrate; 
 a liquid crystal layer, disposed between the first substrate and the second substrate and, having a plurality of liquid crystal molecules distributed; 
 an image sensing module, disposed on the second substrate facing a side of the first substrate, having an optical sensor; and 
 a driving module, disposed on the second substrate facing the side of the first substrate and in parallel with the image sensing module, for driving the plurality of liquid crystal molecules distributed in the liquid crystal layer; 
 wherein, a light shielding region is configured to transmit an infrared light disposed on the first substrate facing to the second substrate, the plurality of liquid crystal molecules are disposed between the image sensing module and the first substrate, a vertical electric field is formed between the first substrate and the second substrate and drives the plurality of liquid crystal molecules to form a liquid crystal lens, the image sensing module is configured to receive the image light focused by the liquid crystal lens, and the liquid crystal lens is configured to adjust the focus of the image sensing module.

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